markgojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
167 lines (166 loc) • 8.42 kB
JavaScript
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
(function (factory) {
if (typeof module === "object" && typeof module.exports === "object") {
var v = factory(require, exports);
if (v !== undefined) module.exports = v;
}
else if (typeof define === "function" && define.amd) {
define(["require", "exports", "../release/go"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/*
* Copyright (C) 1998-2019 by Northwoods Software Corporation. All Rights Reserved.
*/
var go = require("../release/go");
// Contains PoolLink and BPMNLinkingTool classes for the BPMN sample
// PoolLink, a special Link class for message flows from edges of pools
var PoolLink = /** @class */ (function (_super) {
__extends(PoolLink, _super);
function PoolLink() {
return _super !== null && _super.apply(this, arguments) || this;
}
/** @override */
PoolLink.prototype.getLinkPoint = function (node, port, spot, from, ortho, othernode, otherport) {
var r = new go.Rect(port.getDocumentPoint(go.Spot.TopLeft), port.getDocumentPoint(go.Spot.BottomRight));
var op = go.Link.prototype.getLinkPoint.call(this, othernode, otherport, spot, from, ortho, node, port);
var below = op.y > r.centerY;
var y = below ? r.bottom : r.top;
if (node.category === "privateProcess") {
if (op.x < r.left)
return new go.Point(r.left, y);
if (op.x > r.right)
return new go.Point(r.right, y);
return new go.Point(op.x, y);
}
else { // otherwise get the standard link point by calling the base class method
return go.Link.prototype.getLinkPoint.call(this, node, port, spot, from, ortho, othernode, otherport);
}
};
;
// If there are two links from & to same node... and pool is offset in X from node... the link toPoints collide on pool
/** @override */
PoolLink.prototype.computeOtherPoint = function (othernode, otherport) {
var op = _super.prototype.computeOtherPoint.call(this, othernode, otherport);
var node = this.toNode;
if (node === othernode)
node = this.fromNode;
if (othernode.category === "privateProcess") {
op.x = node.getDocumentPoint(go.Spot.MiddleBottom).x;
}
else {
if ((node === this.fromNode) !== (node.actualBounds.centerY < othernode.actualBounds.centerY)) {
op.x -= 1;
}
else {
op.x += 1;
}
}
return op;
};
;
/** @override */
PoolLink.prototype.getLinkDirection = function (node, port, linkpoint, spot, from, ortho, othernode, otherport) {
if (node.category === "privateProcess") {
var p = port.getDocumentPoint(go.Spot.Center);
var op = otherport.getDocumentPoint(go.Spot.Center);
var below = op.y > p.y;
return below ? 90 : 270;
}
else {
return _super.prototype.getLinkDirection.call(this, node, port, linkpoint, spot, from, ortho, othernode, otherport);
}
};
;
return PoolLink;
}(go.Link));
exports.PoolLink = PoolLink;
// BPMNLinkingTool, a custom linking tool to switch the class of the link created.
var BPMNLinkingTool = /** @class */ (function (_super) {
__extends(BPMNLinkingTool, _super);
function BPMNLinkingTool() {
var _this = _super.call(this) || this;
// don't allow user to create link starting on the To node
_this.direction = go.LinkingTool.ForwardsOnly;
// orthogonal routing during linking
_this.temporaryLink.routing = go.Link.Orthogonal;
// link validation using the validate methods defined below
_this.linkValidation = function (fromnode, fromport, tonode, toport) {
return BPMNLinkingTool.validateSequenceLinkConnection(fromnode, fromport, tonode, toport) ||
BPMNLinkingTool.validateMessageLinkConnection(fromnode, fromport, tonode, toport);
};
return _this;
}
/** @override */
BPMNLinkingTool.prototype.insertLink = function (fromnode, fromport, tonode, toport) {
var lsave = null;
// maybe temporarily change the link data that is copied to create the new link
if (BPMNLinkingTool.validateMessageLinkConnection(fromnode, fromport, tonode, toport)) {
lsave = this.archetypeLinkData;
this.archetypeLinkData = { category: "msg" };
}
// create the link in the standard manner by calling the base method
var newlink = _super.prototype.insertLink.call(this, fromnode, fromport, tonode, toport);
// maybe make the label visible
if (fromnode.category === "gateway") {
var label = newlink.findObject("Label");
if (label !== null)
label.visible = true;
}
// maybe restore the original archetype link data
if (lsave !== null)
this.archetypeLinkData = lsave;
return newlink;
};
;
// static utility validation routines for linking & relinking as well as insert link logic
// in BPMN, can't link sequence flows across subprocess or pool boundaries
BPMNLinkingTool.validateSequenceLinkConnection = function (fromnode, fromport, tonode, toport) {
if (fromnode.category === null || tonode.category === null)
return true;
// if either node is in a subprocess, both nodes must be in same subprocess (not even Message Flows)
if ((fromnode.containingGroup !== null && fromnode.containingGroup.category === "subprocess") ||
(tonode.containingGroup !== null && tonode.containingGroup.category === "subprocess")) {
if (fromnode.containingGroup !== tonode.containingGroup)
return false;
}
if (fromnode.containingGroup === tonode.containingGroup)
return true; // a valid Sequence Flow
// also check for children in common pool
var common = fromnode.findCommonContainingGroup(tonode);
return common != null;
};
;
// in BPMN, Message Links must cross pool boundaries
BPMNLinkingTool.validateMessageLinkConnection = function (fromnode, fromport, tonode, toport) {
if (fromnode.category === null || tonode.category === null)
return true;
if (fromnode.category === "privateProcess" || tonode.category === "privateProcess")
return true;
// if either node is in a subprocess, both nodes must be in same subprocess (not even Message Flows)
if ((fromnode.containingGroup !== null && fromnode.containingGroup.category === "subprocess") ||
(tonode.containingGroup !== null && tonode.containingGroup.category === "subprocess")) {
if (fromnode.containingGroup !== tonode.containingGroup)
return false;
}
if (fromnode.containingGroup === tonode.containingGroup)
return false; // an invalid Message Flow
// also check for children in common pool
var common = fromnode.findCommonContainingGroup(tonode);
return common === null;
};
;
return BPMNLinkingTool;
}(go.LinkingTool));
exports.BPMNLinkingTool = BPMNLinkingTool;
});